<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            margin: 0;
        }
        svg {
            width: 100%;
            height: 100vh;
        }
        /* rect {
            fill: #f00;
            stroke: #000;
        } */
    </style>
</head>
<body>
    <!-- svg画布 -->
    <svg>
        <rect x="100" y="100" width="100" height="50" fill="#ff0" stroke="#0ff"></rect>
        <!-- M: move -->
        <!-- L: line -->
        <path d="M100,100 L200,200 L200,300" stroke="#000" stroke-width="2" fill="none"></path>
    </svg>

    <!-- canvas画布 -->
</body>
</html>
